November 29, 2015

Homework Help: Statistics

Posted by Jenna on Friday, February 15, 2013 at 9:01pm.

A brewery's filling machine is adjusted to fill bottles with a mean of 32.6 oz. of ale and a variance of 0.004. Periodically, a bottle is checked and the amount of ale noted.

(a) Assuming the amount of fill is normally distributed, what is the probability that the next randomly checked bottle contains more than 32.68 oz? (Give your answer correct to four decimal places.)

(b) Let's say you buy 97 bottles of this ale for a party. How many bottles would you expect to find containing more than 32.68 oz. of ale? (Round your answer up to the nearest whole number.)
how many bottles?

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